LOINCActiveObservation

LOINC Code 18129-7: Left ventricular mid anterior Segmental wall motion by US

18129-7 is a LOINC code used to identify Left ventricular mid anterior Segmental wall motion by US in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Segmental wall motion. It is commonly used with the system or sample type Heart.ventricle.left.mid anterior.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Segmental wall motion. It is commonly used with the system or sample type Heart.ventricle.left.mid anterior.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation
  • Method: US

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Left ventricular mid anterior Segmental wall motion by US
  • Segmental wall motion
  • CARD.US; Cardiac; Cardio; Cardiology; Echography; Finding; Findings; Heart Disease; Hrt; Hrt ventr; L; LT; LV; LV.mid ant; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Segment; Segment appearance; Sonogram; Sonograph; Sonography; SWM; ULS; Ultrasound; Ventricular; WM

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Left ventricular mid anterior Segmental wall motion by USLV.mid ant SWM USSegmental wall motionCARD.USFindPtHeart.ventricle.left.mid anterior

Frequently asked questions

Code details

Code18129-7
SystemLOINC
Display nameLeft ventricular mid anterior Segmental wall motion by US
DescriptionSegmental wall motion
Short nameLV.mid ant SWM US
ComponentSegmental wall motion
PropertyFind
TimingPt
System (specimen)Heart.ventricle.left.mid anterior
ScaleOrd
MethodUS
ClassCARD.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.54

Part names

Segmental wall motionFindPtHeart.ventricle.left.mid anteriorOrdUSFindingPoint in time (spot)Heart ventricle Left mid anteriorUltrasound

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 18129-7 | HealthAssure